This is the unedited live blog from Boston.com. We hope it adds to your understanding of the events unfolding in Boston following the Boston Marathon.

Farah Stockman: Rarely do you get to see into the mind of a suspected killer, especially on the day that he kills. But thanks to Twitter, now we do. @J_tsar appears to be the twitter handle of Dzhokhar Tsarnaev, the Marathon bombing suspect still at large. www.boston.com

by Teresa Hanafin4/19/2013 6:54:52 PM

Mother of suspects arrested in 2012 for stealing $1,600 in clothing from Lord & Taylor, reports The Daily Mail www.dailymail.co.uk

by Catherine Cloutier4/19/2013 6:56:06 PM

Earlier, we posted that the YouTube account of Tamerlan Tsarnaev, the 26-year-old brother killed this morning, contained a playlist labeled "Terrorists", but that the videos had been deleted. We tracked one video to the owner: www.youtube.com We'll post a translation as soon as we can.

by Teresa Hanafin4/19/2013 7:16:24 PM

CBS News is reporting that a package thrown at police in Cambridge earlier was a pressure cooker bomb, and that police found pipe bombs in the Norfolk Street, Cambridge home they are searching.

by Teresa Hanafin4/19/2013 7:38:12 PM

4:00 PM #MBTA UPDATE: Service on ALL MODES remains SUSPENDED. Please continue to check this account and t.co

NBC News is reporting that there was a small fire in the boat the bombing suspect is hiding in and that the suspect is bleeding heavily.

by Teresa Hanafin4/20/2013 12:18:58 AM

Police still are treating the scene cautiously.

by Teresa Hanafin4/20/2013 12:19:16 AM

A complete story about the drama in Watertown from the Globe: www.boston.com

by Teresa Hanafin4/20/2013 12:29:10 AM

A Bing Maps street view of the Franklin Street house with a boat in the backyard where police have reportedly pinned down bombing suspect Dzhokar A. Tsarnaev. (Photo created by Andrew Ba Tran, Boston.com Staff)

by Teresa Hanafin4/20/2013 12:39:32 AM

Police arrested three college-age suspects in New Bedford related to the bombing investigation, according to the Globe.